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LCD LG flatron m227 wdl


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Buna diineata,

 

ac. tv cu sursa+invrtor AIP 0156, si main LD84G,  nu functioneaza invertorul decat pt. o secunda. Pana sa desfac panelul va rog o schema a sursei AIP 0156(controller OZ9938), deoarece nu stiu ce sunt Q301 sI Q302, NPN sau MOS-FET, in rest tv-ul functioneaza, schimba canalele, are sonor, tens. OK.

 

multumesc.

cu stima!

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Acum 6 ore, mircea65 a spus:

multumesc mult, o sa trec la treaba si va tin la current.

 

multumesc.

cu stima!

vedeti ca traful invertor e predispus la defecte,masurati cele doua bobine din secundar daca au aceeasi impedanta,la cca 20secunde de la anularea protectiei si dupa 1-2 minute vedeti temperatura trafului,daca se incinge atunci are ceva spire in scurt sau strapunse

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